Indian developers hold a list of patents for 6G:

Union Minister for Communication, Electronics, and Information Technology said that Indian developers have the technology required for the development of 6G.
The IIT Hyderabad Institute has displayed a 6G technology model and stated that they have succeeded it 2 to 3 times with more spectral efficiency and speed when compared to 5G.
Vaishnaw has said that India has to take the lead in the development and classification of 6G. Many of the Developments for 6G have already happened and Indian developers hold the patent for it, also said that India's goal is to be leaders in 6G and we are working to achieve it.
5G technology waited to come up with greater speed than 4G and three times greater spectrum efficiency.
Professor Kiran Kuchi from IIT Hyderabad who is leading the 6G development project said that the Institute is already having some patents that will help in the innovation of 6G standards.
The professor has said that it will take up to 10 years for a technology to grow-up and also has started patenting the technologies which play a key factor in developing the 6G standards.
IIT Hyderabad was one of the institutes that played a major role in inventing the Indian 5G standards. The 5Gi is already implemented in new smartphones and the final release of 5Gi will be out soon.